1243424324412 has 24 divisors (see below), whose sum is σ = 3223692693200. Its totient is φ = 414474774768.

The previous prime is 1243424324411. The next prime is 1243424324497. The reversal of 1243424324412 is 2144234243421.

1243424324412 is a `hidden beast` number, since 1 + 24 + 342 + 43 + 244 + 12 = 666.

It is a super-2 number, since 2×1243424324412² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243424324411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756593987 + ... + 5756594202.

Almost surely, 2^{1243424324412} is an apocalyptic number.

1243424324412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243424324412 is an abundant number, since it is smaller than the sum of its proper divisors (1980268368788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243424324412 is a wasteful number, since it uses less digits than its factorization.

1243424324412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513188202 (or 11513188194 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 1243424324412 its reverse (2144234243421), we get a palindrome (3387658567833).

The spelling of 1243424324412 in words is "one trillion, two hundred forty-three billion, four hundred twenty-four million, three hundred twenty-four thousand, four hundred twelve".